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Finding the Fourth Proportional to 327,684.96, 491,579.28 and 117,318.24

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Solution

The fourth proportional to 327,684.96, 491,579.28 and 117,318.24 is: 175,995.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,684.96 : 491,579.28 = 117,318.24 : x
  2. Step 2: Convert to fraction form
    327,684.96/491,579.28 = 117,318.24/x
  3. Step 3: Cross multiply
    327,684.96x = 491,579.28 × 117,318.24
  4. Step 4: Simplify right side
    327,684.96x = 57,671,215,950.07
  5. Step 5: Solve for x
    x = 57,671,215,950.07/327,684.96
  6. Step 6: Final answer
    x = 175,995.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.